689358060 has 48 divisors (see below), whose sum is σ = 2144671200. Its totient is φ = 183828672.

The previous prime is 689358049. The next prime is 689358079. The reversal of 689358060 is 60853986.

689358060 is a `hidden beast` number, since 6 + 8 + 9 + 3 + 580 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 689357997 and 689358015.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637755 + ... + 638834.

It is an arithmetic number, because the mean of its divisors is an integer number (44680650).

Almost surely, 2^689358060 is an apocalyptic number.

689358060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

689358060 is an abundant number, since it is smaller than the sum of its proper divisors (1455313140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

689358060 is a wasteful number, since it uses less digits than its factorization.

689358060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276607 (or 1276599 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 689358060 is about 26255.6291107260. The cubic root of 689358060 is about 883.3814715272.

The spelling of 689358060 in words is "six hundred eighty-nine million, three hundred fifty-eight thousand, sixty".